This visualization combines a bar chart and a world map to show missing migrant incidents over time, with brushing on the bar chart filtering the map’s displayed data points. The bar chart bins reported dates by month using `d3.histogram` and `d3.timeMonths`, while the map projects locations with `d3.geoNaturalEarth1` and sizes circles by death counts with `d3.scaleSqrt`. A `brushX` selection on the bar chart updates the map’s filtered cities in real time. Data comes from a CSV of Missing Migrants Global 2019 records, rendered with React and SVG.